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Transcriptome analyses of the Dof-like gene family in grapevine reveal its involvement in berry, flower and seed development

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Horticulture Research 2016年第1期3卷 124-133页

作者： Danielle Costenaro da Silva Vítor da Silveira Falavigna Marianna Fasoli Vanessa Buffon diogo denardi porto Georgios Joannis Pappas Jr Mario Pezzotti Giancarlo Pasquali Luís Fernando Revers Graduate Program in Cell and Molecular Biology Center for BiotechnologyUniversidade Federal do Rio Grande do SulPorto Alegre91501-970RSBrazil Dipartimento di Biotecnologie Universitàdegli Studi di VeronaVerona37134Italy Embrapa Uva e Vinho Bento Gonçalves95701-008RSBrazil Embrapa Semiárido Petrolina56302-970PEBrazil Department of Cell Biology Universidade de BrasíliaBrasília70910-900DFBrazil Syngenta Seeds Ltda UberlândiaMG38407-049Brazil Modesto CA 95354USA

The Dof(DNA-binding with one finger)protein family spans a group of plant transcription factors involved in the regulation of several functions,such as plant responses to stress,hormones and light,phytochrome signaling and seed *** we describe the Dof-like gene family in grapevine(Vitis vinifera L.),which consists of 25 genes coding for *** extensive in silico characterization of the VviDofL gene family was ***,the expression of the entire gene family was assessed in 54 grapevine tissues and organs using an integrated approach with microarray(cv Corvina)and real-time PCR(cv Pinot Noir)*** phylogenetic analysis comparing grapevine sequences with those of Arabidopsis,tomato,poplar and already described Dof genes in other species allowed us to identify several duplicated *** diversification of grapevine DofL genes during evolution likely resulted in a broader range of biological ***,distinct expression patterns were identified between samples analyzed,corroborating such *** expression results indicate that several VviDofL genes perform their functional roles mainly during flower,berry and seed development,highlighting their importance for grapevine growth and *** identification of similar expression profiles between both approaches strongly suggests that these genes have important regulatory roles that are evolutionally conserved between grapevine cvs Corvina and Pinot Noir.

关键词： involvement organs assessed

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Characterization of an Early Berry Development Grapevine Somatic Variant (Vitis labrusca L. cv. Isabel Precoce)

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American Journal of Plant Sciences 2014年第26期5卷 3848-3865页

作者： Gisele Passaia Márcia Margis-Pinheiro Flavio Bello Fialho Fernanda Sbeghen diogo denardi porto Luís Fernando Revers Laboratory of Plant Molecular Biology Genetics Department Federal University of Rio Grande do Sul Porto Alegre Brazil Laboratory of Plant Molecular Genetics Embrapa Grape and Wine Bento Gon&ccedilalves Brazil

Over the past 10 years significant advances have been made towards the description of genetics and molecular mechanisms controlling grapevine berry growth. Regardless of this, many aspects of early fruit morphogenesis and its development control remain to be elucidated. In an attempt to understand gene expression patterns associated with the berry growth development, the contrasting phenotype between the cv. Isabel (Vitis labrusca L.) and its early berry development mutant “Isabel Precoce” has been explored by a candidate gene approach. “Isabel Precoce” (Vitis labrusca L.) was confirmed as an EDV (Essentially Derived Variety) of Isabel, with a 30-35-day reduction in the berry growth phase when compared to the wild type and thus, it constitutes an informative model to investigate many aspects of fruit growth and development. Phenotypic analysis showed that “Isabel Precoce” develops fruits that are smaller in diameter and volume despite of following similar development kinetics. The expression of many genes associated with plant growth and development (MIKCC-type MADS box genes), sugar transport and with the control of flavonoid biosynthetic pathway have been evaluated. The majority of the genes presented a remarkably similar transcription profile. However, a higher induction of transcript accumulation for some genes has been observed in the “Isabel Precoce” genetic background.

关键词： Fruit Development Gene Expression Molecular Biology Grapevine

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